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How To: Train a parrot to talk on cue

Who wants a great tip for training a parrot to talk easier, more clearly, and on cue? Chet Womach shares a quick tip on how to use 'heightened state of emotion' responses in parrots to get them to talk faster and more intelligibly. Learn how to teach a pet parrot to talk on cue by watching and following along with this video tutorial.

How To: Compare population proportions in statistics

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to compare population proptions in stats.

How To: Solve population proportion problems in statistics

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve pop. proportion problems in stats.

How To: Compare population proportions in statistics

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to compare population proportions.

How To: Calculate the confidence interval for difference between means

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find the CI for the difference between means.

How To: Calculate the sampling distribution of difference between means

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find the sampling distribution for the difference between means.

How To: De-ice the windshield on your car

If you live in a snowy area then you probably know all too well the annoyance of having ice and snow build up on your windshield that you have to clean up in the morning before you leave home. There are easier ways to do it than what you're probably doing, and this video will give you great tips on preventing ice from forming and getting rid of it once it's there.

How To: Find the variance of differences of random variables in statistics

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, we learn how to calculate the variance of differences of random variables.

How To: Do hypothesis testing with a large sample proportion in statistics

Learn how to do large-sample-proportion hypothesis testing in stats! From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Do a small-sample hypothesis test in statistics

Need a hand figuring out how to do small-sample hypothesis testing in stats? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Work with z-scores and t-statistics in statistics

Learn about the difference between z- and t-statistics with this video guide. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Construct a small sample size confidence interval using a t-distribution

Learn how to build small sample size confidence intervals using t-distributions. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to construct a small size sample confidence interval using t distribut...

How To: Calculate mean and variance for a Bernoulli distribution

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to calculate mean and variance for a Bernouilli distribution.

How To: Find sample distribution in statistics

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to calculate sample distribution in statistics.

How To: Calculate mean & variance when given a Bernoulli distribution in statistics

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to calculate the mean and variance of a Bernouilli distribution.

How To: Read song chord charts as a ukulele player

In this clip, we learn how to employ chord charts when playing the uke. Thinking about learning the ukulele? Well, you're in luck, as, thanks to WonderHowTo's ever-growing library of free video ukulele lessons, it's never been easier. For more information, including detailed, step-by-step instructions, and to get started tuning your own ukulele by ear take a look.

How To: Use different strumming methods when playing the ukulele

In this clip, we learn a number of simple uke strumming patterns. Thinking about learning the ukulele? Well, you're in luck, as, thanks to WonderHowTo's ever-growing library of free video ukulele lessons, it's never been easier. For more information, including detailed, step-by-step instructions, and to get started tuning your own ukulele by ear take a look.

How To: Tune the strings of a ukulele by ear

In this clip, we learn how to tune a uke by ear. Thinking about learning the ukulele? Well, you're in luck, as, thanks to WonderHowTo's ever-growing library of free video ukulele lessons, it's never been easier. For more information, including detailed, step-by-step instructions, and to get started tuning your own ukulele by ear take a look.

How To: Perform an easy elbow stand in gymnastics (for kids)

You've heard of the handstand, but what about an elbow stand? Elbow stands are actually easier than handstands, so anybody can do these. Katrina and Sloane teach you how to perform these elbow stands for gymnastics, dance and more. There are many fun variations to try out! Make sure you practice these elbow stands on a soft surface!

How To: Take care of a teething baby

Would you like it if all of your teeth were coming in at once? Your baby doesn't either, which is why teething is such a painful process for parent and child alike. Watch this video to learn some ways you can make teething easier.

How To: Do a calming yoga flow to increase leg flexibility

There are a plethora of reasons why you should practice yoga, from easier breathing to increased flexibility to clearing your mind. But there's another super important reason you should take up the art of the pretzel-limbed: It helps build strength all throughout your body, which means you'll be less likely to pull a muscle or throw out your back in real life.

How To: Create character skins for your character in Minecraft

If you've been playing Minecraft for a while now, you may be getting bored with the look of your character and are looking to spice it up a little bit! Well, adding character skins are actually easier than you think! But if you're more on the creative side, check out this video on how to create your own using Paint! He will go into detail on how the game reads the image and explains the skin pack.

How To: Find your natural skin undertone

It's very important to know what you're skin undertone is, because then you'll know what makeup looks best on you, what jewelry matches perfectly, what clothing makes you radiate, what hairstyles compliment you and what colors fit perfectly. If you're into fashion, makeup and beauty, than it's a must to know your undertone. Finding the answer is easier than you think!

How To: Style a bang braid when your hair is down

This hairstyling video will show you how to style a bang braid, but only when you're hair is down, because it's a totally different process when your hair is up. If you don't know how to French braid, check out these how-to videos before proceeding. It's slightly explained in this video, but it would be better if you already knew the French braiding process, so that braiding your bangs is easier.

How To: Normalize a data set into another scale

Comparing evaluations of the same thing done on different scales can seem difficult, but there is a simple equation you can use to translate something expressed in one numerical scale into another. This video will show you how to use it and make your math life easier.

How To: Find how many toothpicks will be needed to form the nth figure in a sequence

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to employ inductive reasoning to determine the number of toothpicks you'll require to generate the nth (e.g., the 50th) figure in a sequence of figures.

How To: Prove that the areas of diagonal-generated triangles are equal in geometry

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to demonstrate that a diagonal line drawn from one corner of a rectangle to another will generate two equivalent triangles.